MaplePrimes Questions

Just a quick question again: if I create a function by way of, say: f := x->2x; then I can't use the plot builder by right-clicking the result. However, defining an expression as f := 2x; works fine. I realize that the plot builder pulls in the function literally and it doesn't like the format of x->2x. However, I'm just finishing up a student manual, and since it is a tad bit confusing, I just wanted to make sure that this is the intended behaviour, and that I'm not missing anything. Thanks again, /Ivan
Can Maple produce plots of data with error bars ?
When I post a question, at the top of the screen it says I get one point. What is that for?
I am trying to do some calculations using very small numbers. For example evaluating (sqrt(x^2+9)-3)/x^2 for x=.1, .01, .001, .0001, .00001, .000001 and .0000001 which should result in values closer and closer to 1/6, but the calculations seem to break down for any x value smaller than .001 which surprizes me. Does Maple offer some sort of double or triple precision option that I can use to accurately do calculations with the smaller numbers?
Hi. I'm currently running Maple 10 for my project. So far I have successfully plotted 2d graphs of Re(A) vs d and Im(A) vs d. Both Re(A) and Im(A) are dependent on d. Now what I want to do is to plot a 3d graph with Re(A) in the x-axis and Im(A) in the y-axis with an independent variable of d. I can't seem to figure out how to do this with the Interactive Plot Builder and I wish I could try solving the problem by posting in this forum. I just started using Maple so any tip would be very much appreciated.
How do I parse the response string with Maple TA? I can make my code work just fine in Maple but that is assuming what type of string $response is. If someone has dealt with this before, I would appreciate some ideas. I am asking for three parametric equations and need to seperate them and use all three for determining validity of the answer.
Even though dsolve is great, I'm just curious as to how the "Add an initial condition" menu choice works in the Standard Mode. If I enter a simple equation like this: diff(y(x),x)=0; I would like to create the initial condition that y(0)=6. I right-click, add an initial condition and blue "reply" text comes up that looks like the IC I would enter for dsolve. However, I can't edit that IC, and it just generally does nothing. How would I go about this? Thanks, /Ivan
I have some 2-dimensional data to which I would like to fit a curve. The data is not functional, i.e. there can be multiple values of y for a given x. The curve should be continuous, but otherwise I have little idea about what form it should take. Maple provides a really nice way to plot one such curve: Statistics[ScatterPlot] with the lowess option. But I do not want to just plot the curve. I would also like to do computations with the curve. For example, I would like to compute the sum of squared residuals. What is the best way to get the curve (as a procedure, say)?
I´ve just programed some procedures. Those procedures don´t have any syntax errors. But after the execution I don´t obtain any result, I get only the instruction to execute. Where´s the problem?
I am trying to plot a graph of 3sin(3x) that is being displayed as choppy lines. How do I get it to display smoother? Thanks, glenn
Can anyone point me to a tutorial or something to show me how to take 2 curves and rotate them around an axis to form a 3D solid? thanks, glenn
I'm trying to set my default font and type set for my documents and worksheets but can't find where to do so. Using Mac OS and Maple 11. If I turn off bold for example and hit return it turns it back on. Even tried selecting entire document content and turning bold off but still when I hit enter it goes back to bold. What gives? thanks, glenn
A colleague recently approached me with this problem: Given two sets S1 and S2 in R^3, define the "product ball" of S1 and S2 to be the set of all points in R^3 obtained as the componentwise product of a point in S1 and a point in S2. That is, PB(S1,S2) = { (a*x,b*y,c*z) : (a,b,c) in S1 and (x,y,z) in S2 }. Can Maple help me to visualize this set? For a concrete example, let S1 = { (x,y,z) : max( abs(z), abs(x)+abs(y) ) = 1 } and S2 = { (x,y,z) : max( abs(y), abs(x)+abs(z) ) = 1 } In this case it can be shown that PB(S1,S2) consists of the following eight parametric surfaces: (x,y,z) = ( s*t, 1-s, 1-t), s=0..1, t=0..1
Sorry to bother you all like this, but I am getting a bit frustrated here... I have been trying to set up a simple statistics question, or more precisely a regression question. Basically I want the students to compute the intercept (or the slope) in a dataset. The way I have tried to achieve this is so far along these lines: *Define pairs of variables: $x1=range(5,10);,...,$y1=range(5,10); *Use the Statistics package: $a=maple("with(Statistics):...)"); This is where I get stuck. How could I use the call to the Statistics package to get the intercept assigned to $a? Regards,
Is there a command for obtaining "ALL" n roots of the nth root of a real or complex number in accordance with DeMoivre's theorem? For example there are three cube roots of unity, namely 1,-1/2+sqrt(3)/2*i, and -1/2-sqrt(3)/2*i
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